Removed some unneeded spaces

src/Main.elm

@@ -337,7 +337,7 @@ modelDecoder =
     let
         mainDecoder : String -> JD.Decoder Model
         mainDecoder version =
-            if (version == pcModelVersion) then
+            if (version == "4" || version == "3") then
                 JD.map2
                     (\a b -> Model a b [] False Waiting Waiting initDragDrop False )
                     ( JD.field "pc_model"           PC.Json.pcModelDecoder  )